Prime Minister Narendra Modi on Monday took a series of potshots at the erstwhile Left regime in poll-bound Tripura, saying that rampant killings were reported in the state during the previous government. Addressing a rally in Agartala, Prime Minister Modi said that the BJP government under Manik Saha has brought peace to the northeastern state. “Agartala has become the gateway for international trade in the Northeast, the state capital will soon become a business hub,” he noted.